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MS Office

Open OOXML (.docx, .xlsx, .pptx) files from within Vim

Convert OOXML documents (.docx, .xlsx, .pptx) to text

"Cloud container data analytics, statistical modeling, and machine learning on distributed databases". "A free opensource alternative to SPSS, SAS, MATLAB, PowerBI, Tableau and Alteryx". Runs on Linux, Windows, MacOS, and in the cloud via containers.

An Excel/LibreOffice Calc Table in which you can write your Grades.

An Excel/LibreOffice Calc Table with which you can track your time you spent doing something, e.g. playing video games.